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| Security techniques | Key strength | Weakness |
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| Secure keyboard program | Prevents exposure of important information input from users | It is difficult to implement and has race condition between attacker and defender |
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| PKI applications | Prevents the exposure of important information transmitted to the network domain | Requires PKI module implementation and deployment costs |
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| E2E encryption | Prevents the exposure of important information transmitted from the user terminal domain to the financial institution domain | Requires E2E module implementation and deployment costs |
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| Antihacking program | Protects the system by preventing and detecting attacks from the outside in the user terminal domain | It is impossible to completely protect the system, and it is difficult to detect unknown attacks, due to various system attacks |
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| Personal firewall | Protects the system by detecting and blocking malicious packets in the network domain | It is impossible to completely protect the system, and it is difficult to detect unknown attacks, due to the variety of network attacks |
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| Removable media security | Enhances the security of user authentication by protecting personal and confidential information such as certificates stored on removable media | It is difficult to completely protect stored important information by bypassing authentication and exposing the cryptography key, due to various vulnerabilities |
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| Antireverse engineering technique | Protects program code by making it difficult for attackers to analyze the program and taking a long time for analysis | It is difficult to completely protect the analysis of the program code; finally, there is a drawback and weakness in that it can be analyzed, even if it takes a long time |
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